英文别名9-boc-3,5-dioxo-2,9-diazaspiro[5.5]undecane; tert-butyl 9,11-dioxo-3,8-diazaspiro[5.5]undecane-3-carboxylate; 2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 3,5-dioxo-, 1,1-dimethylethyl ester; 9-Boc-2,9-diazaspiro[5.5]undecane-3,5-dione; 3,5-Dioxo-2,9-diazaspiro[5.5]undecane-9-carboxylic acid tert-butyl ester 
